Housing for a transformer



FIG. 1 is a top, front and left side perspective view of a housing for a transformer showing our new design;

FIG. 2 is a rear side elevational view thereof;

FIG. 3 is a right side elevational view thereof, the right side elevational view thereof being a mirror image of the left side elevational view thereof; and,

FIG. 4 is a bottom side plan view thereof.

The broken line matter in all figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a housing for a transformer, as shown and described. 